HELP PLZZ I BEEGG YOUU PLZ GET THIS RIGHT Simplify: (x to the power of 2 plus 3x - 4) plus (2x to the power of 3 mines 2x plus 5)

A. 2x to the power of 3 plus x to the power of 2 plus x plus 1
B. 3x to the power of 5 plus x plus 1
C. 3x to the power of 3 plus x plus 1
D. 2x to the power of 3 plus x to the power of 2 plus x - 9

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.

Acar loses a quarter of its value every year. it is originally worth $35,000. to the nearest dollar,how much will the car be worth in 8 years?